CVE-2026-26153

CWE-125 — Out-of-bounds Read2 documents2 sources
Severity
7.8HIGH
EPSS
No EPSS data
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
13
Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2Microsoft Windows 10 Version 22h2+10 more
Timeline
PublishedApr 14

Description

Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages13 packages

▶CVEListV5microsoft/windows_server_201910.0.17763.0 — 10.0.17763.8644
▶CVEListV5microsoft/windows_server_202210.0.20348.0 — 10.0.20348.5020
▶CVEListV5microsoft/windows_server_202510.0.26100.0 — 10.0.26100.32690
▶CVEListV5microsoft/windows_10_version_180910.0.17763.0 — 10.0.17763.8644
▶CVEListV5microsoft/windows_10_version_21h210.0.19044.0 — 10.0.19044.7184

🔴Vulnerability Details

1
CVEList
Windows Encrypted File System (EFS) Elevation of Privilege Vulnerability↗2026-04-14
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CVE-2026-26153 (HIGH CVSS 7.8) | Out-of-bounds read in Windows Encry | cvebase.io